A horn that no longer functions could easily become dangerous and must be fixed as soon as possible. You must always, on your Mazda CX 5, be able to report your presence thanks to this essential device. It could simply be damaged and have a unusual sound on your Mazda CX 5, but nevertheless it is a problem that you must end. The goal of this article is to go along with you step by step in this process because you will realise that you can do it yourself without going to the garage for your Mazda CX 5.
First, start by analysing where the failure came from. Based on this you will be aware of what repairs to do.
We will help you step by step through the different tests:


Try honking the horn with the cover open. If you hear a sound, but much less strong than usual, it suggests that that some tubes are damaged but some still work. actually, on your Mazda CX 5 there are several trumpets that carry sound.
Next step, try to locate the horn. You will find it close to the radiator at the front of your car, near the grille. The grille is the small grille at the front of vehicles that enables air to enter while protecting the parts of your Mazda CX 5.

Horn cables unplugged on my Mazda CX 5

Once the horn is identified, we will attempt to disconnect and reconnect the connecting wires in order to perform a new test. To do this, take the two connected wires, pull them out by their ends towards you. There should also be a horn fixing bolt that you must unscrew. Then clean it all up with a brush or something, then reconnect it all. Try honking your horn again. Does it work?
You have found the solution for your Mazda CX 5! If nothing changes, let’s go a little further in the tests and explanations.
You are confronted with several solutions at this stage.

Faulty horn horn on my Mazda CX 5

You may well buy another tube to replace the flawed ones if you have been able to identify them on your Mazda CX 5 thanks to the noise.

Fuse blown

it is advisable to also check the fuses. To find this fuse box, we invite you to look at our previous article on the subject:
“Where to find the fuse box on a Mazda CX 5”
You should also take a look in your vehicle owner’s manual for the fuse references of the horn fuse that you must determine precisely.
Once the fuse is identified, you can remove it using a pair of pliers. To verify if it is burned, examine the metal part. If this one is blown, your fuse has blown on your Mazda CX 5. It must therefore be replaced. If it looks new, it should not be questioned.
You can come across this fuse in any car shop or garage. Test the horn again after the fuse has been exchanged. Is your horn working again? Congratulations! If this still doesn’t work for your Mazda CX 5, check your dashboard and specifically your airbag indicator light. If this one is on, there may be a link. Actually, it can have an impact on the rotating switch, a part that acts as a relay between the steering wheel and the horn. Having said that, for an airbag indicator problem on your Mazda CX 5, it is wise to go to a professional as it is more challenging to manage alone.


Here are the different causes that could have an impact on your Mazda CX 5’s horn. Trumpets, fuses, rotating switch, airbag. Precisely determining the fault will help you to remedy it. Be vigilant to replace the fuse with an identical fuse of the same intensity.

In the event that you have any further questions about the Mazda CX 5, do not hesitate to consult our Mazda CX 5 category.